The Gemini 4:4:4 recorder from Convergent Design is a professional, high-definition video recorder that functions as a high-quality monitor, recorder, and playback device. The Gemini 4:4:4 records to 1.8” solid-state hard drives and features an easy-to-use touchscreen with a stylus.

As a recorder, Gemini 4:4:4 records the SMPTE standard Rec 709, RGB 444 / YCC 422 1080p up to 60fps, and RAW formats with a paid license. Our Gemini kit is outfitted with the option of recoding Canon’s raw footage from the Canon C500, the Canon Cinema Raw codec.

Technical Specs

Video I/O Ports

  • Four SDI ports: 2-In (HD-SDI Single Link/Dual Link/3G), 2-Out (HD-SDI Single Link/Dual Link), HDMI-Out

Video Standards

  • HD-SDI, SMPTE 292M; HD-SDI 3G, SMPTE 424M; HD-SDI Dual-Link, SMPTE 372M

Video Formats

  • REC 709
  • RGB 444 / YCC 422 1080p up to 60fps
  • RAW format with paid license


Recording Options:


  • Avid DNxHD support (QT) for 1080p YCC 422 up to 30fps (3rd Qtr 2012 Release)


  • 1080p 10-Bit RGB 444 up to 60fps (DPX) with TC and metadata, audio recorded as wav file


  • depends on paid license option on recorder

Log Viewing LUTs

  • Support for S-Log, Log-C with user programmable 1D LUTs

Playback Control

  • Play, Rewind, Fast-Forward, Pause, and Step Control


  • Reel Number, Scene Number, Take Number and Project Name


  •  Two Slots for 1.8" Solid State Drives (SSD), 256GB / 512GB sizes

Transfer Station

  • 1.8" SSD Transfer Station compatible with Seagate GoFlex Adapters (USB 3, FW-800, Thunderbolt)

Built-In LCD Monitor

  • 5" high brightness LCD, sunlight viewable, 800 cd/m², 800 x (RGB) x 480 Pixels, 24-Bit, 900:1 True Contrast, Wide +/-85⁰ Viewing Angle (IPS Technology)
  • 1:1 Pixel Option, with user positioning of desired window via touch control

Menu System

  • Touch Sensitive menu system with user-defined presets and customizable level of on-screen data


  • HD-SDI Embedded (SMPTE RP-188) or LTC via the remote control option

Digital Audio I/O

  • HD-SDI Embedded 4-Channels, uncompressed, 24-Bit, 48K

Analog Audio I/O

  • 3.5 mm output jack, headphone or consumer line level

Power Requirements

  • 6 to 19 Volts DC, 6 to 15 watts

Size, Weight

  • 138 x 120 x 37 mm (5.4 x 4.7 x 1.45"); 612 grams (1.35 lb); Milled Aluminum Case


  • Ambient Temp: -10 to +40 ⁰C (Operating) / -20 to +70 ⁰C (Storage)

Our Kit

Our rental kit includes:

  • Gemini 444 Recorder
  • SSD Transfer Station
  • HD-SDI cables + HDMI Cable
  • Universal AC Power Supply
  • Power Cable
  • Custom Fitted Hard Plastic Case


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